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22 June, 08:10

A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 mL. What would this gas occupy at 107°C and 0.789 atm

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  1. 22 June, 08:39
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    Answer: 3.41 mL

    Explanation: Solution:

    Use Combine gas law to solve this problem.

    P1V1 / T1 = P2V2 / T2

    First convert temperature to K

    T1 = 47 °C + 273 = 320 K

    T2 = 107°C + 273 = 380 K

    Derive to find V2:

    V2 = P1 V1 T2 / T1 P2

    Substitute the values:

    V2 = 1.03 atm x 2.20 mL x 380 K /

    320 K x 0.789 atm

    = 3.41 mL

    Cancel out the units of atm and K so the remaining unit is in mL.
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